iOS: check for data connection

gistfile1.m

// Check for data connection with Reachability.m

	#import "Reachability.h"

	Reachability *currentReachability = [Reachability reachabilityForInternetConnection];	
	NetworkStatus networkStatus = [currentReachability isReachable];
	if (networkStatus != 0) 
	{
		// Network is reachable
	}